html, body {
	height: 100%;
	overflow: hidden;
}

.game-container {
	/* background: url(https://s.momocdn.com/w/u/img/2017/05/25/1495684136608-tree.jpeg) no-repeat; */
	// background: url(../images/summer.png) no-repeat;
	// background-size: cover;
	width: 100%;
	height: 100%;
}
.game-layer {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	overflow: hidden;
	display: none;
}

.layer {
	position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}